/*******************************************************************************
 * Copyright (c) 2010, 2010 Xbeam Project and ChenZhiKong.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 *******************************************************************************/
package org.bellusoft.xbeam.framework;

import java.io.InputStream;
import org.bellusoft.xbeam.framework.XbeamConstants.AutoStartSetting;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleException;

interface Kernel {
	
	
	public String getProperty(String key);
	
	public Bundle[] loadPersistBundles();

	public Bundle installBundle(String location, InputStream input) throws BundleException;
	
	public Bundle installBundle(String location, InputStream input, AutoStartSetting startSetting) throws BundleException;

	
	
	public Bundle getBundle(long id);

	public Bundle[] getBundles();

	
	public void enableEventDispatcher();
	
	public void disableEventDispatcher();

	public void sendFrameworkEvent(int frameworkEvent);
	
	public void sendBundleEvent(int bundleEvent); 

	
	//TODO: start level service may be removed from kernel later 
	
	public void startStartLevelService();

	public void stopStartLevelServices();

	
	
}
